Display apparatus and method of displaying content

ABSTRACT

Provided are a rotatable display device and a method of displaying content using the same. The display device includes a display; and a controller configured to control the display to display first video content based on a first source, sense pivoting of the display while the first video content is displayed, and control the display, in response to the pivoting, to display second video content based on at least one second source different from the first source, the second video content being different from the first video content.

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims priority from U.S. Provisional Application No.62/424,627, filed on Nov. 21, 2016 in the U.S. Patent and TrademarkOffice, and Korean Patent Application No. 10-2017-0030535, filed on Mar.10, 2017 in the Korean Intellectual Property Office, the disclosures ofwhich are incorporated herein in their entireties by reference.

BACKGROUND 1. Field

Apparatuses and methods consistent with the present disclosure relate toa display device and a method of displaying content, and moreparticularly, to a display device for displaying content different fromexisting content when the display device rotates and a method ofdisplaying content.

2. Description of the Related Art

A display device is a device having a function of displaying an imagethat a user can watch. Broadcast television has been phasing out analogbroadcasting in favor of digital broadcasting worldwide.

Recently, smart TV service providers are developing various services toprovide content desired by users. In addition, the smart TV serviceproviders are developing technologies for providing consumers withpersonalized content along with video content in order to providevarious services and differentiated experiences to users.

A related art display device is configured to have a landscapeorientation, which is suitable for displaying landscape-orientedcontent, but is unsuitable for displaying portrait-oriented content. Inaddition, the related art display device is mainly for playing contentthat multiple people can view together, and it is difficult to provideoptimized content to users individually.

SUMMARY

One or more example embodiments provide a rotatable display device thatis optimized to play portrait-oriented content and a method ofdisplaying content.

One or more example embodiments also provide a rotatable display devicethat provides optimized content to each user when the display device isrotated to have a portrait orientation and a method of displayingcontent.

Additional aspects will be set forth in part in the description whichfollows and, in part, will be apparent from the description, or may belearned by practice of the presented example embodiments.

According to an aspect of an example embodiment, a display deviceincludes a display; and a controller configured to control the displayto display first video content based on a first source, sense pivotingof the display while the first video content is displayed, and controlthe display, in response to the pivoting, to display second videocontent based on at least one second source different from the firstsource, the second video content being different from the first videocontent.

The second video content may include personalized content for a user ofthe display device.

The at least one second source may include a source selected by a userof the display device.

The controller may obtain first information related to the second videocontent, and the personalized content may include second informationrelated to the first video content.

The controller may be further configured to control the display todisplay the first video content on a first portion of a screen of thedisplay, and display the personalized content on a second portion of thescreen of the display.

The first source may include a broadcast signal, and the at least onesecond source may include a wired or wireless communication signal ofthe display device.

The personalized content may include at least one of a preloaded channellist and a menu list related to the first video content.

The second source may include a signal from a mobile device, and thepersonalized content may be identical to third video content beingdisplayed on a screen of the mobile device.

The personalized content may include a still image stored in the displaydevice or a mobile device.

The personalized content may include a user interface for controlling aperipheral device capable of communicating with the display device.

According to an aspect of another example embodiment, there is provideda method of displaying content on a display device, the method includingdisplaying first video content based on a first source; sensing pivotingof the display while the first video content is displayed; and, inresponse to the sensing the pivoting, displaying second video contentbased on at least one second source different from the first source, thesecond video content being different from the first video content.

BRIEF DESCRIPTION OF THE DRAWINGS

The above and/or other aspects will become apparent and more readilyappreciated from the following description of example embodiments, takenin conjunction with the accompanying drawings in which:

FIG. 1 is a view of a display device and a control device according toan example embodiment;

FIG. 2 is a block diagram of a display device and a control deviceaccording to an example embodiment;

FIG. 3 is a flowchart of a method of displaying content in a displaydevice, according to an example embodiment;

FIG. 4 is a view of a screen displayed on a display device in a portraitmode, according to an example embodiment;

FIG. 5 is a view of a screen displayed on a display device in a portraitmode, according to an example embodiment;

FIG. 6 is a view of a screen displayed on a display device in a portraitmode, according to an example embodiment;

FIG. 7A is a view of a screen including content-related informationdisplayed on a display device in a portrait mode, according to anexample embodiment;

FIG. 7B is a view of a screen including content-related informationdisplayed on a display device in a portrait mode, according to anexample embodiment;

FIG. 7C is a view of a screen including content-related informationdisplayed on a display device in a portrait mode, according to anexample embodiment;

FIG. 8 is a flowchart of a method of displaying content in a displaydevice, according to an example embodiment;

FIG. 9 is a view of a screen displayed on a display device according toan example embodiment when the display device is switched from aportrait mode to a landscape mode;

FIG. 10 is a view of a screen displayed on a display device in aportrait mode, according to an example embodiment;

FIG. 11A is a view of a screen displayed on a display device in aportrait mode, according to an example embodiment;

FIG. 11B is a view of a screen displayed on a display device in aportrait mode, according to an example embodiment;

FIG. 12 is a view of a screen displayed on a display device in aportrait mode, according to an example embodiment;

FIG. 13 is a view of a screen displayed on a display device in aportrait mode, according to an example embodiment; and

FIG. 14 is a view of a screen displayed on a display device in aportrait mode, according to an example embodiment.

DETAILED DESCRIPTION

Reference will now be made in detail to example embodiments, examples ofwhich are illustrated in the accompanying drawings, wherein likereference numerals refer to like elements throughout. In this regard,the present example embodiments may have different forms and should notbe construed as being limited to the descriptions set forth herein.Accordingly, the example embodiments are merely described below, byreferring to the figures, to explain aspects.

It will be understood that, although the terms “first,” “second,” etc.may be used herein to describe various elements, these elements shouldnot be limited by these terms. These terms are only used to distinguishone element from another and not necessarily to assign order orpriority. Thus, a first element, component, region, layer or sectiondiscussed below could be termed a second element, component, region,layer or section without departing from the teachings of the presentdisclosure.

Throughout the specification, a “display” may refer to a component thatperforms a function of visually outputting image data. Also, accordingto an embodiment, when a display panel and a touch pad included in thedisplay have a layer structure and are configured as a touch screen, thedisplay may be used as an input device in addition to an output device.The display may include at least one of a liquid crystal display (LCD),a thin film transistor-LCD (TFT-LCD), an organic light-emitting diode(OLED) display, a flexible display, a three-dimensional (3D) display, anelectrophoretic display, a plasma display panel (PDP), and a quantum dotlight-emitting diode (QLED).

A “display device” is one of output devices including theabove-mentioned displays, and is a device capable of visually displayingimage data. The display device may be connected to a desktop computer, alaptop computer, a tablet personal computer (PC), a camera, a mobilephone, a storage medium, and other electronic devices to receive imagedata wirelessly or by wire. According to an example embodiment, thedisplay device may receive an analog broadcasting signal or a digitalbroadcasting signal. The display device may be implemented not only as aflat display device but also as a curved display device which has acurved screen or a flexible display device with adjustable curvature. Inaddition, the display device may be a PC monitor, a TV set, a commerciallarge format display (LFD), or the like. Also, depending on theimplementation of the display device, the display device may include twoor more displays.

A portion of a display of the display device where actual content isoutput may be referred to as a “screen.”

Throughout the specification, the term “user” refers to a person whocontrols functions or operations of a display device, and may include anadministrator or an installer.

The terminologies used herein are for the purpose of describingparticular example embodiments only and are not intended to be limitingof the present disclosure. As used herein, the singular forms “a”, “an”,and “the” are intended to include the plural forms as well, and viceversa, unless the context clearly indicates otherwise. It will befurther understood that the terms “comprises” and/or “comprising” whenused in claims, specify the presence of stated features, integers,steps, operations, elements, and/or components, but do not preclude thepresence or addition of one or more other features, integers, steps,operations, elements, components, and/or groups thereof.

FIG. 1 is a view of a display device 100 and a control device 200according to an example embodiment.

The display device 100 shown in FIG. 1 is a device capable of displayingcontent different from existing content when the existing content ispivoted while being displayed. The pivoting of the display device 100means that the display device 100 is changed from a horizontallyelongated rectangular shape (i.e., landscape orientation) to avertically elongated rectangular shape (i.e., portrait orientation) andvice versa.

For example, when the display device 100 has a landscape orientation(hereinafter, referred to as a “landscape mode”), the display device 100may display landscape-oriented content based on a broadcast signal.

Furthermore, when the display device 100 has a portrait orientation(hereinafter, referred to as a “portrait mode”), the display device 100may display additional content together with landscape-oriented contentor may display content based on a source different from a source of thelandscape-oriented content.

Here, the source may mean a source of content displayed on the displaydevice 100. A source of video content may be a broadcast signal, aset-top box, a digital streaming device, a digital versatile disc (DVD)player, a Blu-ray disc player, a satellite dish, etc.

The content displayed on the display device 100 in a portrait mode maybe content based on various sources. For example, the various sourcesmay include broadcast signals, wired or wireless communication,short-range communication, programs (applications) stored in the displaydevice 100, data stored in the display device 100, and the like.

In addition, the content displayed on the display device 100 in aportrait mode may be content based on a source selected by the user.

Furthermore, the content displayed on the display device 100 in aportrait mode may be personalized content.

The personalized content may be content that is different from contentdisplayed on the display device 100 in a landscape mode based on abroadcast signal. In addition, the personalized content may be contentthat is displayed differently depending on a user of the display device100.

For example, the personalized content may include at least one ofcontent predetermined for the user to display in a portrait mode,information related to content the user watched in a landscape mode, andcontent selected based on the user's mobile device.

The display device 100 may include a device for pivoting a display. Forexample, the device for pivoting the display may include a hinge or arotating plate included in a stand-type or wall-type supporting memberfor supporting the display device 100. In addition, the device forpivoting the display may further include a motor.

The display device 100 may sense that the display device 100 is pivotedwhile operating in a landscape mode. The display device 100 may sensethat the display device 100 is pivoted while operating in a portraitmode.

For example, the display device 100 may be pivoted by an input from thecontrol device 200, one or more input devices provided on the displaydevice 100, or an input or a user's manual operation corresponding to auser interface displayed on the display. The display device 100 may beautomatically pivoted by a motor built in the display device 100 basedon the input or by a predetermined reference.

The control device 200 may include various devices capable oftransmitting and receiving data and signals to/from the display device100. For example, the control device 200 may be implemented in variousforms such as a mobile phone, a smart phone, a remote control, a tabletPC, and a wearable device.

The control device 200 may transmit to the display device 100 an input(e.g., instruction, command, etc.) for changing or selecting contentdisplayed on the display device 100 or an input for changing a source ofthe content.

FIG. 2 is a block diagram of the display device 100 and the controldevice 200 according to an example embodiment.

Referring to FIG. 2, the display device 100 includes a memory 10, atuner 15, a controller 20, a display unit 30, a sensor 40, acommunicator 50, and a hinge unit 60.

The display device 100 may be a device that can be changed from ahorizontally elongated rectangular shape to a vertically elongatedrectangular shape and vice versa. In more detail, the display device 100may be pivoted such that a screen of the display unit 30 is rotated by90 degrees.

The memory 10 according to an example embodiment may store various data,programs, or applications for driving and controlling the display device100. A program stored in the memory 10 may include one or moreinstructions. The program (one or more instructions) or an applicationstored in the memory 10 may be executed by the controller 20.

For example, the memory 10 may store one or more programs orapplications for displaying personalized content according to a user.

The memory 10 may store a control program that is executed by thecontroller 20 for controlling the display device 100, a presentationmodule for configuring a display screen, and an application initiallyprovided from a manufacturer or downloaded from the outside. In moredetail, the memory 10 may store resources such as a Java Script file andan Extensible Markup Language (XML) file used in the application.

The memory 10 may include a presentation module. The presentation moduleis a module for configuring a display screen. The presentation moduleincludes a multimedia module for reproducing and outputting multimediacontent, a user interface (UI), and a UI rendering module for performinggraphics processing. The multimedia module may include a player module,a camcorder module, a sound processing module, and the like.Accordingly, the multimedia module may reproduce various types ofmultimedia content to generate and play images and sound. The UIrendering module may include an image synthesizer that synthesizesimages, a coordinate combination generating module that generatescombinations of coordinates on a screen to display images, an X11 modulethat receives various events from hardware, and a two-dimensional(2D)/three-dimensional (3D) UI toolkit that provides a tool forperforming a UI in 2D or 3D form. The various modules and componentsdescribed herein may be implemented with software (e.g., programinstructions), hardware (e.g., processor or circuit), or a combinationof both.

The memory 10 may also store a graphical user interface (GUI) associatedwith an application, objects (e.g., images, texts, icons, buttons, etc.)for providing the GUI, user information, documents, databases, orrelated data.

In an example embodiment, the memory 10 may be a read-only memory (ROM)for storing a control program for controlling the display device 100, arandom access memory (RAM) for storing signals or data input from theoutside, which is used as a storage area corresponding to variousoperations performed on the display device 100, or a memory card (e.g.,a micro secure digital (SD) card or a Universal Serial Bus (USB) memory,not shown) installed in the display device 100. In addition, the memory10 may include a nonvolatile memory, a volatile memory, a flash memory,a hard disk drive (HDD), or a solid-state drive (SSD).

The memory 10 may include a volume control module, a communicationcontrol module, a voice recognition module, a motion recognition module,a light receiving module, a display control module, an audio controlmodule, an external input control module, a power control module, apower control module of an external device connected to the memory 10wirelessly (for example, Bluetooth), a voice database (DB), or a motionDB. The modules and databases in the memory 10 may be implemented in thedisplay device 100 in a software form to perform a volume controlfunction, a communication control function, a voice recognitionfunction, a motion recognition function, a light reception controlfunction, an audio control function, an external input control function,a power control function, or a display control function for controllinga display of a cursor. The controller 20 may perform respectivefunctions using the pieces of software stored in the memory 10.

The tuner 15 may receive a broadcast signal from a source such as ananalog broadcast or a digital broadcast. The tuner 15 may be integratedwith the display device 100 or may be implemented as a separate device(for example, a set-top box (not shown)) having a tuner electricallyconnected to the display device 100).

The tuner 15 may select only a frequency of a channel to be transmittedto the display device 100 from among many electric wave components bytuning the same through amplification, mixing, resonance, etc. of abroadcast signal received through wire or wirelessly. The broadcastsignal includes audio, video and additional information (for example, anelectronic program guide (EPG)).

The tuner 15 may receive a broadcast signal in a frequency bandcorresponding to a channel number (e.g., Ch. 506 of cable broadcasting)according to a user's input (e.g., an input of a control signal from thecontrol device 200 such as a channel number input, an up-down input ofchannels, and a channel input from an EPG display).

The tuner 15 may receive broadcast signals from various sources such asterrestrial broadcast, cable broadcast, satellite broadcast, Internetbroadcast, and the like. The tuner 15 may also receive a broadcastsignal from a source such as an analog broadcast or a digital broadcast.A broadcast signal received through the tuner 15 is decoded (e.g., audiodecoding, video decoding, or additional information decoding) andseparated into audio, video and/or additional information. The separatedaudio, video and/or additional information may be stored in the storage190 under the control of the controller 20.

The tuner 15 of the display device 100 may be one or more. According toan example embodiment, when a plurality of tuners 15 are provided, aplurality of broadcast signals may be output to a plurality of windowsconstituting a multi-window screen provided on the display unit 30.

The controller 20 according to an example embodiment may execute one ormore programs stored in the memory 10. The controller 20 may include aprocessor including a single core, a dual core, a triple core, a quadcore, and multiples thereof. In addition, the controller 20 may includea plurality of processors.

The controller 20 may control to display video content based on a firstsource.

The controller 20 may sense pivoting of the display device 100.According to an example embodiment, the controller 20 may sense thepivoting of the display device 100 based on an input from a userinterface, sensing through a gyro sensor or an acceleration sensor ofthe sensor 40, and/or an input from the control device 200 received viathe communicator 50.

In addition, the controller 20 may sense the pivoting of the displaydevice 100 while the video content is displayed, and in response to thepivoting, may control personalized content different from the videocontent based on at least one second source different from the firstsource such that the personalized content is displayed.

The first source according to an example embodiment may include abroadcast signal. The broadcast signal may include a broadcast streamsignal based on a terrestrial wave or a phase wave through a tuner. Inaddition, the broadcast signal may include a wireless stream signalbased on an over-the-top (OTT) service.

The at least one second source according to an example embodiment mayinclude a first source and a wired or wireless communication signal of adisplay device.

The controller 20 may obtain information related to video content basedon the second source.

The controller 20 may display the video content on a portion of a screenof a display and display the information related to the video content onthe remaining area of the screen of the display.

The controller 20 may display the same personalized content as thecontent displayed on a screen of a user's mobile device.

The controller 20 may display personalized content including stillimages stored in advance on a display device or a user's mobile device.

The controller 20 may display personalized content including a userinterface for controlling a peripheral device capable of communicatingwith a display device.

The controller 20 controls all operations of the display device 100 anda signal flow between the internal components 10 to 50 of the displaydevice 100 and performs data processing. The controller 20 may executean operating system (OS) and various applications stored in the memory10 when the controller 20 receives an input of a user or satisfiespredetermined conditions.

The controller 20 may include a processor such as a central processingunit (CPU). The controller 20 may include a graphics processing unit(GPU) for graphics processing corresponding to a video. The controller20 may be implemented as a system on chip (SoC) integrating a core andthe GPU.

The display unit 30 displays a video included in a broadcast signalreceived through the tuner 15 on a screen under the control of thecontroller 20. In addition, the display unit 30 may display content(e.g., a video) input through the communicator 50 under the control ofthe controller 20. The display unit 30 may output an image stored in thememory 10 under the control of the controller 20.

The sensor 40 may further include a gyro sensor or an accelerationsensor. According to an example embodiment, the sensor 40 may sense thepivoting of the display device 100 using a gyro sensor or anacceleration sensor.

In addition, the sensor 40 may include a microphone or an opticalsensor, so that the sensor 40 may sense a user's voice and user'sinteraction.

The communicator 50 may transmit and receive data and signals to/fromthe control device 200 or an external device under the control of thecontroller 20. The controller 20 may transmit and receive contentto/from the control device 200 connected through the communicator 150 orthe external device, may download an application from the externaldevice, or may browse the Internet.

The communicator 50 may include at least one of a wired Ethernet 51, awireless LAN communicator 52, and a short-range communicator 53.

The wireless LAN communicator 52 may perform Wi-Fi communication orWi-Fi direct communication with the control device 200 or the externaldevice.

The short-range communicator 53 may further perform Bluetoothcommunication, Bluetooth low energy (BLE) communication, Infrared DataAssociation (IrDA) communication, ultra wideband (UWB) communication,magnetic security transmission (MST), near field communication (NFC), orthe like.

The communicator 50 according to an example embodiment may obtaincurrent weather information and current time information. Thecommunicator 50 may obtain the current weather information and thecurrent time information through the control device 200.

The communicator 50 may receive data on a screen displayed on thecontrol device 200 or the external device.

The hinge unit 60 may be configured to pivot a display. For example, thehinge unit 60 may include a hinge or rotating plate included in astand-type or wall-type supporting member for supporting the displaydevice 100. Furthermore, the hinge unit 60 may further include a motor.

The display device 100 may be electrically connected to a separateexternal device (e.g., a set-top box, not shown) having a tuner. Forexample, the display device 100 may be implemented as an analog TV, adigital TV, a 3D TV, a smart TV, an LED TV, an OLED TV, a plasma TV, amonitor, or the like, but is not limited thereto.

Referring to FIG. 2, the control device 200 may include a controller210, a user input unit 220, and a communicator 230.

The control device 200 may be a device capable of transmitting andreceiving data to/from the display device 100 through the communicator230.

For example, the control device 200 may be implemented as a mobilephone, a smart phone, a remote control, a video player, a tablet PC, acamera, and a wearable device that can be worn (attached or implanted)to the body.

The controller 210 controls all matters related to control of thecontrol device 200. The controller 210 may include a processor such as aCPU, a GPU, or an SoC.

The user input unit 220 may include a keypad, a button, a touchpad,and/or a touch screen. A user may operate the user input unit 220 toinput instructions related to the display device 100 to the controldevice 200. When the user input unit 220 has a physical key button, theuser may input instructions related to the display device 100 to thecontrol device 200 through a push operation of the physical key button.When the user input unit 220 has a touch screen, the user may touch asoft key of the touch screen to input instructions related to thedisplay device 100 to the control device 200.

According to an example embodiment, the user input unit 220 may receivea user's input for controlling the pivoting of the display device 100through the physical key or the soft key of the touch screen.

The user input unit 220 may receive a user's input for changing acurrent channel to another channel displayed in a predetermined channellist.

In addition, the user input unit 220 may receive an input for changing asource of personalized content. For example, the user input unit 220 mayreceive input to change the source of the personalized content from abroadcast signal to a user's mobile device (e.g., a tablet PC or asmartphone).

The user input unit 220 may include various types of input units such asa scroll key, a jog key, and the like that can be operated by a user. Inaddition, the user input unit 220 may include at least one of amicrophone capable of receiving a user's voice and a sensor capable ofmotion recognition of the control device 200.

The communicator 230 may be a communication interface (e.g.,transceiver) configured to transmit and receive signals to/from thedisplay device 100. The communicator 230 may include a wireless LANcommunicator 232 and a short-range communicator 233.

The wireless LAN communicator 232 may be configured to perform Wi-Ficommunication or Wi-Fi direct communication with the display device 100.The short-range communicator 233 may communicate with the display device100 via Bluetooth communication, BLE communication, IrDA communication,UWB communication, MST, NFC, or the like.

FIG. 3 is a flowchart of a method of displaying content in the displaydevice 100, according to an example embodiment.

In operation S310, the display device 100 may display video contentbased on a first source. For example, the first source may include abroadcast signal.

In operation S320, the display device 100 may sense pivoting of thedisplay device 100 while the video content is displayed. The pivoting ofthe display device 100 means that the display device 100 is changed froma horizontally elongated rectangular shape to a vertically elongatedrectangular shape and vice versa.

In operation S330, in response to the pivoting, the display device 100may display personalized content different from the video content basedon at least one second source different from the first source.

The at least one second source may include at least one of broadcastsignals, wired or wireless communication, short-range communication,programs (applications) stored in the display device 100, data stored inthe display device 100, and signals from a user's mobile device.

FIG. 4 is a view of a screen displayed on the display device 100 in aportrait mode, according to an example embodiment.

Referring to FIG. 4, the display device 100 may display personalizedcontent in a portrait mode.

According to an example embodiment, the display device 100 may displayvideo content in a landscape mode, and then may display the personalizedcontent in response to a change to a portrait mode.

According to another example embodiment, when the display device 100 isin a portrait mode, the display device 100 may be set to displaypersonalized content at a predetermined time.

For example, the display device 100 may display personalized contentincluding at least one of current time information 410 and user'sschedule information 420 when sensing a change to a portrait mode.

The personalized content according to an example embodiment maycorrespond to an application predetermined (e.g., selected, designated,etc.) by a user or a predetermined function.

Referring to FIG. 4, a user may set an alarm function to be executed ata predetermined time while the predetermined application is executed inthe display device 100.

Also, the display device 100 may transmit and receive data to/from anexternal device via wired/wireless communication (wireless communicationmay include, for example, Wi-Fi, Bluetooth, or NFC).

For example, the display device 100 may receive information onpersonalized content including the user's schedule information 420 froma user's mobile device, a server, a user's PC, etc. throughwired/wireless communication.

FIG. 5 is a view of a screen displayed on the display device 100 in aportrait mode, according to an example embodiment.

The display device 100 may display video content 501 based on abroadcast stream in a landscape mode.

The video content 501 according to an example embodiment includesterrestrial wave or phase wave broadcasting content through a tuner andOTT content through a wireless stream. In response to pivoting of thedisplay device 100 being sensed, the display device 100 may displaypersonalized content 530 based on a source different from the broadcaststream simultaneously with the video content 501.

Here, the pivoting of the display device 100 may mean that the displaydevice 100 is changed from a landscape mode to a portrait mode whileoperating.

The display device 100 may display the personalized content 530 based ona source predetermined by a user in response to the sensing of thepivoting of the display device 100.

For example, when the pivoting of the display device 100 is sensed, thedisplay device 100 may display the personalized content 530 based ondata pre-stored (e.g., previously stored, preloaded, etc.) in thedisplay device 100, wired or wireless communication with an externaldevice, and the like.

Referring to FIG. 5, the personalized content 530 may include apre-stored channel list 510.

The pre-stored channel list 510 may include an icon 511 for a channel, asource, or an application frequently used by a user. Also, thepre-stored channel list 510 may include an icon 513 for a currently usedchannel, source, or application. The display device 100 may display theicon 513 for a currently used channel, a source, or an application in aform different from other pre-stored icons in the channel list 510.

In addition, the personalized content 530 may include a menu list 520related to the video content 501. The menu list 520 may include an icon521 for an application having a high probability (e.g., probabilityabove a predetermined threshold) of being selected by a user whileplaying the video content 501. In addition, the menu list 520 may be anicon for an application predetermined by a user (e.g., favorited orpinned icon).

FIG. 6 is a view of a screen displayed on the display device 100 in aportrait mode, according to an example embodiment.

The display device 100 may display personalized content 601 in responseto sensing of pivoting of the display device 100.

For example, in response to the pivoting of the display device 100 beingsensed, the display device 100 may search for a mobile device around thedisplay device 100 and may be wirelessly connected to the searchedmobile device 100.

The display device 100 may receive at least one of a source of thepersonalized content 601 to be displayed in a portrait mode, thepersonalized content 601, and a screen to be displayed in a portraitmode from the wirelessly-connected mobile device. The source of thepersonalized content 601 to be displayed in a portrait mode and thepersonalized content 601 may be preloaded in the display device 100.

Referring to FIG. 6, in response to the sensing of the pivoting of thedisplay device 100, the display device 100 may display a screen receivedfrom the wirelessly-connected mobile device.

The display device 100 may display a pre-stored (e.g., preloaded)channel list 610 together with the screen received from the wirelesslyconnected mobile device.

Referring to FIG. 6, the pre-stored channel list 610 may include an icon611 for a mobile device.

Referring to FIG. 6, a currently used source may be a user's mobiledevice (e.g., “Amy's Galaxy S6” smartphone). The display device 100 maymirror a mobile device's screen based on an input for selecting the icon611 for the mobile device in the pre-stored channel list 610.

A user may easily access channels, sources, and applications frequentlyused by the user by selecting one of icons in the pre-stored channellist 610.

FIG. 7A is a view of a screen including content-related informationdisplayed on the display device 100 in a portrait mode, according to anexample embodiment.

In response to pivoting of the display device 100 being sensed, thedisplay device 100 may display personalized content based on a sourcedifferent from a source of video content 701 simultaneously with thevideo content 701.

The display device 100 may display the video content 701 on a portion ofthe screen. For example, the display device 100 may display the videocontent 701 at the top, bottom or center of the display. In addition,the display device 100 may display personalized content in the remainingarea of the screen other than the video content 701.

Referring to FIG. 7A, the personalized content may include a menu list720 and content-related information 730 related to the video content701.

The display device 100 may display the content-related information 730based on an icon 721 being selected in the menu list 720.

For example, the content-related information 730 may include an itemrelated to information that a user is likely to want to know withrespect to the video content 701 being watched by the user. For example,the content-related information 730 may include additional informationon a movie or a TV show, news, a social network service (SNS), shoppinginformation on articles of clothing worn by characters on TV, and thelike. The content-related information 730 may be based on varioussources such as the Internet, a provider of the video content 701, abroadcast stream, and the like.

A user may easily obtain information on the video content 701 withoutinputting a keyword through the content-related information 730.

On the other hand, the display device 100 may receive a user's voiceinput through a microphone mounted on the control device 200 or amicrophone built in the display device 100. The display device 100 maydisplay the content-related information 730 that meets user's intentbased on the user's voice input.

FIG. 7B is a view of a screen including content-related informationdisplayed on the display device 100 in a portrait mode, according to anexample embodiment.

In response to pivoting of the display device 100 being sensed, thedisplay device 100 may simultaneously display the video content 701 andthe content-related information 730. The display device 100 according toan example embodiment may provide the content-related information 730using a portion of the top or bottom of the screen in a portrait mode.

For example, when the video content 701 is a movie or a TV show, thecontent-related information 730 may be related to a story or a characterof the movie or the show. If the video content 701 is a lecture, thecontent-related information 730 may include additional information onthe content described in the lecture.

The display device 100 may be able to present the content-relatedinformation 730 in a portrait mode more effectively than thecontent-related information 730 in a landscape mode.

FIG. 7C is a view of a screen including the content-related information730 displayed on the display device 100 in a portrait mode, according toan example embodiment.

The display device 100 may simultaneously display the video content 701and the content-related information 730.

Referring to FIG. 7C, the content-related information 730 may be areal-time comment of viewers watching the video content 701.

According to an example embodiment, the display device 100 may receive auser's input to provide a real-time comment.

For example, the display device 100 may activate a function of receivingan input from a user's mobile device in response to receiving an inputof pushing a predetermined button on the control device 200. The displaydevice 100 may receive a user's input via a touch screen of the mobiledevice.

As another example, the display device 100 may receive a user's voiceinput through the control device 200 or the user's mobile device.

FIG. 8 is a flowchart of a method of displaying content in the displaydevice 100, according to an example embodiment.

In operation S810, the display device 100 may display video contentbased on a first source.

In operation S820, the display device 100 may sense pivoting of thedisplay device 100 in a first direction. The pivoting of the displaydevice 100 in the first direction means that the display device 100 ischanged from a horizontally elongated rectangular shape to a verticallyelongated rectangular shape. Alternatively, the direction change may befrom the vertically elongated rectangular shape (i.e., portrait mode) tothe horizontally elongated rectangular shape (i.e., landscape mode).

In operation S830, in response to the pivoting, the display device 100may display personalized content based on at least one second sourcedifferent from the first source. The personalized content may bedifferent from the video content based on the first source.

In operation S840, the display device 100 may sense pivoting of thedisplay device 100 in a second direction.

The pivoting of the display device 100 in the second direction meansthat the display device 100 is changed in the opposite direction of thefirst direction. For example, the second direction may correspond tomoving from a vertically elongated rectangular shape to a horizontallyelongated rectangular shape.

In operation S850, in response to the pivoting, the display device 100may display the video content based on the first source.

For example, when the display device 100 senses the pivoting in thesecond direction while simultaneously displaying the video content andthe personalized content, the display device 100 may display only thevideo content from the first source without displaying the personalizedcontent from the second source.

FIG. 9 is a view of a screen displayed on the display device 100according to an example embodiment when the display device 100 isswitched from a portrait mode to a landscape mode.

In 910 of FIG. 9, the display device 100 may simultaneously displayvideo content 901 and content-related information 903. When the videocontent 901 is, for example, a sports game, the content-relatedinformation 903 may include game progress information, playerinformation, and the like.

In 920 of FIG. 9, the display device 100 may sense pivoting of thedisplay device 100. For example, in 920, the pivoting of the displaydevice 100 means that the display device 100 is changed from avertically elongated rectangular shape to a horizontally elongatedrectangular shape.

Referring to 920 of FIG. 9, the video content 901 may be rotated in ascreen of the display device 100 in a direction opposite of the pivotingdirection of the display device 100. In addition, the content-relatedinformation 903 may be displayed in the screen of the display device 100without rotating.

In 930 of FIG. 9, the display device 100 changed to a landscape mode maydisplay only the video content 901.

FIG. 10 is a view of a screen displayed on the display device 100 in aportrait mode, according to an example embodiment.

When a display of the display device 100 is capable of receiving a touchinput, the display device 100 may be utilized as a writing board 1001such that the display device 100 may mimic the behaviors of a writingsurface such as a white board.

For example, when the display device 100 is in a portrait mode, theboard function may be executed in the display device 100. The displaydevice 100 may display the board 1001 based on a user's touch input.

The display device 100 may receive the user's touch input based onwell-known methods of providing touch inputs such as an electrostaticmethod, an infrared (IR) method, and an ultrasonic method.

FIG. 11A is a view of a screen displayed on the display device 100 in aportrait mode, according to an example embodiment.

In response to pivoting of the display device 100 being sensed, thedisplay device 100 may search for a mobile device in the vicinity of thedisplay device 100 (e.g., via Bluetooth, Wi-Fi, NFC, etc.).

When a user's mobile device is discovered near the display device 100,the display device 100 may display an image stored in the mobile devicetogether with information 1120 on the searched mobile device.

FIG. 11B is a view of a screen displayed on the display device 100 in aportrait mode, according to an example embodiment.

The display device 100 may display a selected image 1101 from amongimages stored in a mobile device when the display device 100 is in aportrait mode.

Also, the display device 100 may display the selected image 1101 onlywhen it is determined that there is a user in its vicinity (e.g., withina threshold distance from the display device 100). The display device100 may not display the display selected image 1101 unless a user issensed in its vicinity. The display device 100 may turn off power of thedisplay device 100 when a user is not sensed in its vicinity.

For example, the display device 100 may sense whether there is a user inits vicinity based on whether or not a mobile device is discovered inits vicinity. Furthermore, the display device 100 may sense whetherthere is a user in its vicinity based on images obtained by the displaydevice 100 or an external device. The obtained images may include animage based on an ultrasonic wave, an infrared camera, or the like.

FIG. 12 is a view of a screen displayed on the display device 100 in aportrait mode, according to an example embodiment.

In response to pivoting of the display device 100 being sensed, thedisplay device 100 may search for a mobile device around the displaydevice 100.

For example, when a plurality of mobile devices are discovered, thedisplay device 100 may display user accounts 1201 and 1203 of userscorresponding to the plurality of mobile devices. In addition, thedisplay device 100 may display all of family members' user accounts sothat an account of a desired family member may be selected from anaccount list 1205 of the family members.

FIG. 13 is a view of a screen displayed on the display device 100 in aportrait mode, according to an example embodiment.

The display device 100 may display a user interface 1301 for monitoringa status of a peripheral device capable of communicating with thedisplay device 100.

For example, the user interface 1301 may indicate a position and a stateof an Internet of Things (IoT) device (e.g., a lamp, a door lock for adoor or window, a coffee maker, a thermostat, a surveillance camera,etc.) near where the display device 100 is located.

In addition, the display device 100 may display an inside view 1303(e.g., real-time surveillance footage) of a room photographed using acamera installed in the room below the user interface 1301.

FIG. 14 is a view of a screen displayed on the display device 100 in aportrait mode, according to an example embodiment.

The display device 100 may display a user interface 1401 for controllinga peripheral device capable of communicating with the display device 100and a user interface 1403 for monitoring status of the peripheraldevice.

For example, a user may move an icon 1411 of an IoT device to becontrolled from the user interface 1403 to the user interface 1401through a drag-and-drop input.

When the display device 100 is in a portrait mode at a certain time(e.g., morning), a user may control peripheral devices corresponding tothe icons 1411 that are selected and/or pre-arranged at the userinterface 1401.

For example, the display device 100 may control the IoT device based ona user input of touching the icon 1411 displayed on the screen.Furthermore, the display device 100 may control the IoT device based oninputs provided to a user's mobile device connected to the displaydevice 100.

A control method according to an example embodiment may be implementedas program instructions which can be executed by a computer or aprocessor, and recorded on a non-transitory computer-readable medium.The computer-readable medium may include program instructions, datafiles, data structures or a combination thereof. Program instructionsrecorded on the medium may be particularly designed and structured forthe present disclosure or available to those skilled in computersoftware. Examples of the computer-readable recording medium includemagnetic media, such as a hard disk, a floppy disk, and a magnetic tape;optical media, such as a compact disc read-only memory (CD-ROM) and adigital versatile disc (DVD); magneto-optical media, such as flopticaldiscs; a ROM; a RAM; and a flash memory. Program instructions mayinclude, for example, high-level language code that can be executed by acomputer using an interpreter, as well as machine language codegenerated by a complier.

It should be understood that example embodiments described herein shouldbe considered in a descriptive sense only and not for purposes oflimitation. Descriptions of features or aspects within each exampleembodiment should typically be considered as available for other similarfeatures or aspects in other example embodiments.

While example embodiments have been described with reference to thefigures, it will be understood by those of ordinary skill in the artthat various changes in form and details may be made therein withoutdeparting from the spirit and scope as defined by the following claims.

What is claimed is:
 1. A display device comprising: a display; and acontroller configured to: control the display to display first videocontent provided by a first external source, sense pivoting of thedisplay while the first video content is displayed, and control thedisplay, based on the pivoting of the display being sensed, to displaysecond video content provided by at least one second external sourcedifferent from the first external source, the second video content beingdifferent from the first video content, wherein the second video contentincludes content-related information of the first video content providedby the at least one second external source, and wherein the controlleris further configured to control the display, based on the pivoting ofthe display being sensed, to display the first video content provided bythe first external source on a first portion of a screen of the displayand the content-related information of the first video content providedby the at least one second external source on a second portion of thescreen of the display.
 2. The display device of claim 1, wherein thesecond video content comprises personalized content for a user of thedisplay device.
 3. The display device of claim 1, wherein the at leastone second external source comprises a source selected by a user of thedisplay device.
 4. The display device of claim 1, wherein the firstexternal source comprises a broadcast signal, and wherein the at leastone second external source comprises a wired or wireless communicationsignal of the display device.
 5. The display device of claim 2, whereinthe controller is further configured to obtain information related tothe second video content, and wherein the personalized content comprisesthe content-related information of the first video content.
 6. Thedisplay device of claim 2, wherein the personalized content comprises atleast one of a preloaded channel list and a menu list related to thefirst video content.
 7. The display device of claim 2, wherein the atleast one second external source comprises a signal from a mobiledevice, and wherein the personalized content is identical to third videocontent being displayed on a screen of the mobile device.
 8. The displaydevice of claim 2, wherein the personalized content comprises at leastone of a still image stored in the display device and a mobile device.9. The display device of claim 2, wherein the personalized contentcomprises a user interface configured to control a peripheral devicecapable of communicating with the display device.
 10. A method ofdisplaying content on a display device, the method comprising:displaying first video content provided by a first external source;sensing pivoting of the display device while the first video content isdisplayed; and based on the pivoting of the display device being sensed,displaying second video content provided by at least one second externalsource different from the first external source, the second videocontent being different from the first video content, wherein the secondvideo content includes content-related information of the first videocontent provided by the at least one second external source, and whereinthe displaying of the second video content comprises, based on thepivoting of the display device being sensed, displaying the first videocontent provided by the first external source on a first portion of ascreen of the display device and the content-related information of thefirst video content provided by the at least one second external sourceon a second portion of the screen of the display device.
 11. The methodof claim 10, wherein the second video content comprises personalizedcontent for a user of the display device.
 12. The method of claim 10,wherein the at least one second external source comprises a sourceselected by a user of the display device.
 13. The method of claim 10,wherein the first external source comprises a broadcast signal, andwherein the at least one second external source comprises one of a wiredand wireless communication signal of the display device.
 14. The methodof claim 11, wherein the displaying of the second video contentcomprises obtaining information related to the first video content basedon the at least one second external source, and wherein the personalizedcontent comprises the content-related information of the first videocontent.
 15. The method of claim 11, wherein the personalized contentcomprises at least one of a preloaded channel list and a menu listrelated to the first video content.
 16. The method of claim 11, whereinthe at least one second external source comprises a signal from a mobiledevice, and wherein the personalized content is identical to third videocontent being displayed on a screen of the mobile device.
 17. The methodof claim 11, wherein the personalized content comprises at least one ofa still image stored in the display device and a mobile device.
 18. Anon-transitory computer-readable recording medium having recordedthereon a program that is executable to perform a method of displayingcontent on a display device, the method comprising: displaying firstvideo content provided by a first external source; sensing pivoting ofthe display device while the first video content is displayed; and basedon the pivoting of the display device being sensed, displaying secondvideo content provided by at least one second external source differentfrom the first external source, the second video content being differentfrom the first video content, wherein the second video content includescontent-related information of the first video content provided by theat least one second external source, and wherein the displaying of thesecond video content comprises, based on the pivoting of the displaydevice being sensed, displaying the first video content provided by thefirst external source on a first portion of a screen of the displaydevice and the content-related information of the first video contentprovided by the at least one second external source on a second portionof the screen of the display device.